Home / 30,089.39-41,516.48-19,339.88

Finding the Fourth Proportional to 30,089.39, 41,516.48 and 19,339.88

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Solution

The fourth proportional to 30,089.39, 41,516.48 and 19,339.88 is: 26,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.39 : 41,516.48 = 19,339.88 : x
  2. Step 2: Convert to fraction form
    30,089.39/41,516.48 = 19,339.88/x
  3. Step 3: Cross multiply
    30,089.39x = 41,516.48 × 19,339.88
  4. Step 4: Simplify right side
    30,089.39x = 802,923,581.99
  5. Step 5: Solve for x
    x = 802,923,581.99/30,089.39
  6. Step 6: Final answer
    x = 26,684.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.